ADDLON Window Curtain Lights,480 Leds Waterproof Wall String Lights,9 Modes Decorative Christmas Icicle Lights for Wedding Home Party Eave Patio Indoor Outdoor 33ftx3ft UL Certification (Warm White) Linkable Design: An additional female plug is included for your extension can connect up to 3 sets together. Multiple Functions:9 modes with in combination, in waves, sequential, slogs , chasing/flash, slow fade, twinkle/flash,steady on and off. The input voltage is 100-120V AC.Multiple series,but there can not be more than three in series. High quality: Made from 480 of 3300K bright warm white individual LED, every bead made by precision work and cold resistance in winter. Safe voltage: 29V Voltage Safe Curtain Lights with UL certified, leads to 29V safe output by UL plug-in transformer. WATERPROOF(IP44) : Perfect for indoor and outdoor decorations party, ex: wedding, home, window, bathroom, festival, Holiday, shows, restaurant, hotel, commercial building, shopping center etc.